hwmon: (it87) Ensure that pwm control cache is current before updating values
am: 6c95eba9ca

Change-Id: I5f06541ef3e2cbe962135210fa90372fcb495994
diff --git a/drivers/hwmon/it87.c b/drivers/hwmon/it87.c
index 991e0fc..4314616 100644
--- a/drivers/hwmon/it87.c
+++ b/drivers/hwmon/it87.c
@@ -1354,6 +1354,7 @@
 		return -EINVAL;
 
 	mutex_lock(&data->update_lock);
+	it87_update_pwm_ctrl(data, nr);
 	if (has_newer_autopwm(data)) {
 		/*
 		 * If we are in automatic mode, the PWM duty cycle register
@@ -1466,6 +1467,7 @@
 	}
 
 	mutex_lock(&data->update_lock);
+	it87_update_pwm_ctrl(data, nr);
 	data->pwm_temp_map[nr] = reg;
 	/*
 	 * If we are in automatic mode, write the temp mapping immediately;